﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;
using System.Web.Security;
using VirtualOrg.Mobile.Models;
using VirtualOrg.Mobile.DBAccess;

namespace VirtualOrg.Mobile.Controllers
{
    public class AccountController : Controller
    {

        //
        // GET: /Account/LogOn

        public ActionResult LogOn()
        {
            return View();
        }

        //
        // POST: /Account/LogOn

        [HttpPost]
        public ActionResult LogOn(LogOnModel model, string returnUrl)
        {
            string controller = string.Empty;
            string method = string.Empty;
            if (ModelState.IsValid)
            {
                try
                {
                    using (VOrgStoreDataContext datacontext = new VOrgStoreDataContext())
                    {
                        List<UserInfo> users = datacontext.UserInfos.Where(obj => (obj.EmailID == model.UserName && obj.Password == model.Password)).ToList<UserInfo>();
                        if (users.Count > 0)
                        {
                            if (Request.QueryString.AllKeys.Contains("c") && Request.QueryString.AllKeys.Contains("m"))
                            {
                                controller = Request.QueryString["c"];
                                method = Request.QueryString["m"];
                            }
                            else
                            {
                                controller = "Home";
                                method = "Index";
                            }

                            Response.Cookies.Add(new HttpCookie("vorguser", string.Format("{0}-{1}", users[0].UserID, users[0].FullName)));
                            Response.Cookies["vorguser"].Expires = DateTime.Now.AddHours(1);
                            return RedirectToAction(method, controller);
                        }
                        else
                        {
                            ModelState.AddModelError("", "The user name or password provided is incorrect.");
                        }
                    }
                }
                catch
                {
                    ModelState.AddModelError("", "The user name or password provided is incorrect.");
                }
            }

            return View(model);
        }

        //
        // GET: /Account/LogOff

        public ActionResult LogOff()
        {
            Response.Cookies["vorguser"].Expires = DateTime.Now.AddHours(-1);
            return RedirectToAction("LogOn", "Account");
        }

        //
        // GET: /Account/Register

        public ActionResult Register()
        {
            ViewData["countrylist"] = GetCountryList();
            return View();
        }

        private List<SelectListItem> GetCountryList()
        {
            List<SelectListItem> countryList = new List<SelectListItem>();
            using (VirtualOrg.Mobile.DBAccess.VOrgStoreDataContext datacontext = new VirtualOrg.Mobile.DBAccess.VOrgStoreDataContext())
            {
                var result = datacontext.Countries;
                foreach (var item in result)
                {
                    countryList.Add(new SelectListItem() { Text = item.CountryName, Value = item.CountryID.ToString() });
                }
            }

            return countryList;
        }

        //
        // POST: /Account/Register

        [HttpPost]
        public ActionResult Register(RegisterModel model)
        {
            string controller = string.Empty;
            string method = string.Empty;

            if (ModelState.IsValid)
            {
                try
                {
                    using (VOrgStoreDataContext datacontext = new VOrgStoreDataContext())                    
                    {
                        int userCount = datacontext.UserInfos.Where(obj => (obj.EmailID == model.Email)).Count();
                        if (userCount == 0)
                        {
                            UserInfo user = new UserInfo()
                            {
                                AccountType = "FREE",
                                Country = model.Country,
                                CreatedDate = DateTime.Now,
                                EmailID = model.Email,
                                FullName = model.FullName,
                                Gender = model.Gender,
                                Username = model.Email,
                                Password = model.Password,
                                ModifiedDate = DateTime.Now
                            };

                            datacontext.UserInfos.InsertOnSubmit(user);
                            datacontext.SubmitChanges();

                            Response.Cookies.Add(new HttpCookie("vorguser", string.Format("{0}-{1}", user.UserID, user.FullName)));
                            Response.Cookies["vorguser"].Expires = DateTime.Now.AddHours(1);

                            if (Request.QueryString.AllKeys.Contains("c") && Request.QueryString.AllKeys.Contains("m"))
                            {
                                controller = Request.QueryString["c"];
                                method = Request.QueryString["m"];
                            }
                            else
                            {
                                controller = "Home";
                                method = "Index";
                            }

                            return RedirectToAction(method, controller);
                        }
                        else
                        {
                            ModelState.AddModelError("Email", "Email ID already registered");
                        }
                    }
                }
                catch(Exception ex)
                {
                    ModelState.AddModelError("Register", "Error creating account. Please try again later!");
                }
            }

            ViewData["countrylist"] = GetCountryList();
            return View(model);
        }

        //
        // GET: /Account/ChangePassword

        [Authorize]
        public ActionResult ChangePassword()
        {
            return View();
        }

        
        //
        // POST: /Account/ChangePassword

        [Authorize]
        [HttpPost]
        public ActionResult ChangePassword(ChangePasswordModel model)
        {
            if (ModelState.IsValid)
            {

                // ChangePassword will throw an exception rather
                // than return false in certain failure scenarios.
                bool changePasswordSucceeded;
                try
                {
                    MembershipUser currentUser = Membership.GetUser(User.Identity.Name, true /* userIsOnline */);
                    changePasswordSucceeded = currentUser.ChangePassword(model.OldPassword, model.NewPassword);
                }
                catch (Exception)
                {
                    changePasswordSucceeded = false;
                }

                if (changePasswordSucceeded)
                {
                    return RedirectToAction("ChangePasswordSuccess");
                }
                else
                {
                    ModelState.AddModelError("", "The current password is incorrect or the new password is invalid.");
                }
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }

        //
        // GET: /Account/ChangePasswordSuccess

        public ActionResult ChangePasswordSuccess()
        {
            return View();
        }

        #region Status Codes
        private static string ErrorCodeToString(MembershipCreateStatus createStatus)
        {
            // See http://go.microsoft.com/fwlink/?LinkID=177550 for
            // a full list of status codes.
            switch (createStatus)
            {
                case MembershipCreateStatus.DuplicateUserName:
                    return "User name already exists. Please enter a different user name.";

                case MembershipCreateStatus.DuplicateEmail:
                    return "A user name for that e-mail address already exists. Please enter a different e-mail address.";

                case MembershipCreateStatus.InvalidPassword:
                    return "The password provided is invalid. Please enter a valid password value.";

                case MembershipCreateStatus.InvalidEmail:
                    return "The e-mail address provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidAnswer:
                    return "The password retrieval answer provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidQuestion:
                    return "The password retrieval question provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidUserName:
                    return "The user name provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.ProviderError:
                    return "The authentication provider returned an error. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                case MembershipCreateStatus.UserRejected:
                    return "The user creation request has been canceled. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                default:
                    return "An unknown error occurred. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
            }
        }
        #endregion
    }
}
